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https://issues.apache.org/jira/browse/TEZ-3102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15159835#comment-15159835
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Bikas Saha edited comment on TEZ-3102 at 2/23/16 11:09 PM:
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+1.
I think testTaskSucceedAndRetroActiveFailure() should already be covering the
new code changes in the success attempt code path. In the small chance that its
not, would you please update the test. Thanks!
was (Author: bikassaha):
+1.
I think testTaskSucceedAndRetroActiveFailure() should be covering the new code
changes in the success attempt code path. In the small chance that its not,
would you please update the test. Thanks!
> Fetch failure of a speculated task causes job hang
> --------------------------------------------------
>
> Key: TEZ-3102
> URL: https://issues.apache.org/jira/browse/TEZ-3102
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.7.0
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Critical
> Attachments: TEZ-3102.001.patch, TEZ-3102.002.patch
>
>
> If a task speculates then succeeds, one task will be marked successful and
> the other killed. Then if the task retroactively fails due to fetch failures
> the Tez AM will fail to reschedule another task. This results in a hung job.
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